A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica.

 

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Autori: Rojas Alvarado, Alexander Fco., Palacios Ríos, Mónica
Natura: artículo original
Status:Versión publicada
Data di pubblicazione:2006
Descrizione:Abstract: A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica. The new fern species Pteris herrerae A. Rojas & M. Palacios, endemic to Costa Rica, is described. It differs from P. decurrens C. Presl in basal segments reduced to 1/5-1/2 of the next segment (vs. 2/3-3/4), basal pinnae not bifurcated (vs. bifurcated), pinnae apex mucronate (vs. acuminate) and segment apex undulate (vs. dentate). It differs from Pteris consanguinea in the elliptic pinnae (vs. oblong), two segments reduced on the base (vs. lack), segments entire to undulate (vs. dentate), basal pinnae without basiscopic lobes (vs. with basiscopic lobes) and segment apex entire to undulate (vs. dentate).
Stato:Portal de Revistas UCR
Istituzione:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lingua:Inglés
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OAI Identifier:oai:portal.ucr.ac.cr:article/13960
Accesso online:https://revistas.ucr.ac.cr/index.php/rbt/article/view/13960
Keyword:Pteris
new species
Pteridaceae